ZA707247B - Frequency conversion circuit - Google Patents

Frequency conversion circuit

Info

Publication number
ZA707247B
ZA707247B ZA707247A ZA707247A ZA707247B ZA 707247 B ZA707247 B ZA 707247B ZA 707247 A ZA707247 A ZA 707247A ZA 707247 A ZA707247 A ZA 707247A ZA 707247 B ZA707247 B ZA 707247B
Authority
ZA
South Africa
Prior art keywords
conversion circuit
frequency conversion
frequency
circuit
conversion
Prior art date
Application number
ZA707247A
Inventor
D Gunn
G Hanus
Original Assignee
Motorola Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of ZA707247B publication Critical patent/ZA707247B/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/12—Transference of modulation from one carrier to another, e.g. frequency-changing by means of semiconductor devices having more than two electrodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Superheterodyne Receivers (AREA)
ZA707247A 1969-11-13 1970-10-26 Frequency conversion circuit ZA707247B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87630369A 1969-11-13 1969-11-13

Publications (1)

Publication Number Publication Date
ZA707247B true ZA707247B (en) 1971-07-28

Family

ID=25367388

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA707247A ZA707247B (en) 1969-11-13 1970-10-26 Frequency conversion circuit

Country Status (6)

Country Link
US (1) US3641441A (en)
KR (1) KR780000420B1 (en)
CA (1) CA941456A (en)
DE (1) DE2055983A1 (en)
IL (1) IL35547A0 (en)
ZA (1) ZA707247B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3886458A (en) * 1972-12-12 1975-05-27 Sony Corp Frequency converter circuit with integrated injection capacitor
US3909726A (en) * 1973-09-26 1975-09-30 Zenith Radio Corp UHF Hybrid tuner
JPS5474618A (en) * 1977-11-28 1979-06-14 Toshiba Corp Frequency conversion circuit
JPS54121609A (en) * 1978-03-15 1979-09-20 Hitachi Ltd Fm tuner
JPH07503586A (en) * 1992-02-03 1995-04-13 モトローラ・インコーポレイテッド Balanced mixer circuit with improved linearity
US6169801B1 (en) 1998-03-16 2001-01-02 Midcom, Inc. Digital isolation apparatus and method
JP2002374314A (en) * 2001-06-12 2002-12-26 Hitachi Kokusai Electric Inc Frequency change circuit and transmitter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE455595A (en) * 1943-05-03
US3107331A (en) * 1961-03-30 1963-10-15 Westinghouse Electric Corp Monolithic semiconductor mixer apparatus with positive feedback
US3471793A (en) * 1966-10-28 1969-10-07 Hitachi Ltd Emitter-follower circuit stabilized to prevent oscillations

Also Published As

Publication number Publication date
DE2055983A1 (en) 1971-06-09
CA941456A (en) 1974-02-05
KR780000420B1 (en) 1978-10-10
US3641441A (en) 1972-02-08
IL35547A0 (en) 1970-12-24

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